"We had no access to her e-mails to get the confirmation we needed to use the tickets and Ticketmaster asked to see her death certificate. They even suggested I need to get Power of Attorney, which I didn't even realise at the time doesn't apply to people who have died.

"It has been so upsetting for me and Ashlee’s family.”

The Coventry University student was found dead in her bedroom by her mum on September 1 last year.

Shelley said: “I’m still in shock. I’m still expecting her to walk through the door and I’m still expecting to hear her call me."

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Ticketmaster eventually backed down and have allowed Shelley to use her daughter's three tickets at Cardiff's Principality Stadium this Saturday.

A spokesperson for the company said: "We’re glad to say that the situation with Shelley’s tickets has been resolved and she will be able to attend the Ed Sheeran concert in Cardiff this week.

"We’re sorry for any upset caused, and for the delay in making this happen."

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